Arrow 2 represents that is taken up from the soil through the roots of the plant.
A. hydrogen
В. carbon dioxide
C. oxygen
D. water

Depending on the organism the number of in a cell may change

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?